Locomotive draft apparatus.



J. BONTYA. Locomotive DRAFT APPARATUS.

APPLIATION FILED FEB. 23. l9l8.

-Patented Mai. 4,1919.

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J. BONTYA.

` LocomolvE DRAFT APPARATUS.

APPLICATION FILED FEB 23. 19H33` L29640,

1. BONTYA.

LOCOIVIOIVE DRAFT APPARATUS.

' APPLICATION 'man FEB.23.1918. '19296,040., Patented Mar. 4,1919.

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" 5 mm1/Hoz J. BONTYA.

Locomonvf DRAFT APPARATUS. APPLICATION FILED FEB. 23. I9l8.

Patented Mar. 4,1919.

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Specification of Letters Patent.

Patenten Mar. a,L asia.

hpplioation filed February 23, 1918. Serial No. 218,889.

To all lwhom t may concern.'

Be itlnown that I, JOHN BoN'rYA, a subject of the King of Hungary, residin at Trenton," in the county of Mercer and tate of New Jersey, have invented new and usel Improvements in Locomotive Draft A paratus, of which the following is a speci cation.

This invention relates to steam locomotives and the principal objects of the same are: (l) to provide for this type/of engine installations for accelerating and forcing fuel combustion, the same including an arrangement of draft passages or exits combined with draft producing devices, whichmay be operated either by the blasts or exhausts oi' steam, by live steam from the boiler, or by an independent source of steam supply; and (2') to provide a governing apparatus, dependent for its operation upon the steam pressure of the boiler, tuating mechanism adapted substantially to open and close the passage through which the products of combustion pass on their Way tothe stack.

With these and other objects in view, the

inventionresides in the details of construction and in the combination and arrangement of parts hereinafter described and shown in the accompanying drawings, forming a material part of this specification, and in 'whichzj Figure 1 is a view in side elevation of a locomotive, showing in particular the devices carried upon the outside of the boiler.

Fig. 2 is a vertical cross sectional View through the smoke-box, taken' approximately in the direction of the line 2 2 of Fig. 1, parts being shown in section, and parts beingbroken away.

ig. 3 is a vertical sectional view, taken approximately in the direction of the line 3 3 'of Fig. 2.

Ais

Fig.- 4 is a top plan view in the nature of a diagram, taken in the direction of the line l1-4 of Fig. 2, parts being shownin section.

Fi 5 is a diagram, illustratin in particular tige connections through whic the blasts or exhausts of steam from the cylinders are passed to the exit installations within the smoke-box.

Fig. 6 is an enlarged view in side elevation, parts being in section, of the steam actuated apparatus for controlling the draft gates,`the same being located upon the olitside of the boiler.

-screen 14 for automatically ac- Fig. 7 is a top plan View of the steam aotuated apparatus for lcontrolling the draft gates, this View showing how the apparatus 1s supported upon the boiler.

F1g..8 is a fragmental plan view, showing in particular the connections for operating the draft gates.

With more particular reference ltothe accompanying drawings, the numeral 10 (Fig. 1) is employed to denote the fire-box, 1l to denote the boiler, and 12 to denote the smokebox. 13 (Fig. 3) indicates the usual lues through which the air and products of combustion pass from the fire-box 10 or combustion compartment) to the smoke-box 12, and thence are drawn into the `chamber 14 located in the lower forward end thereof. A cinder suitably partitions ofi" the upper chamber 14, which communicates through a rectangular passageway 15 with the lower partitioned off portion or extension 16 of the smoke stack 17. In this manner I arrange installations by which the draft and products-of combustion, as they issue from the lues 13 may be drawn into and expelled through the stack 17.

portion of Entering through the bottom of the smokebox 12 (Fig. 2), preferably opposite the lower portion 16 of the stack, is an exhaust pipe 18, which connects in any suitable manner with the steam exhaust pipes 18 leading from the cylinders A `and B. After extending upwardly a short distance, this pipe 18, as best shown in Fig. 2, divides into the diverging branches 19 and 20, which continue upwardly through the stack 17 on o posite sides thereof, tle blasts or exhausts of. steam to accelerate and force, in an obvious manner, the draft through the ues 13 and installations, as above described.

Operating in the exhaust pipe 18 just below the divergence of the branches 19 and 20 (Fig. 2) is a rotor 21', and in the lower'por tion 16 of the stack just beyond the junction of the square passageway 15 therewlth is a fan 22, (Fig. 3). Rotor 21 and fan 2.2y are both fast on a vertical shaft 23, upon whlch 1s secured intermediate its length as at 24 (Fig. 2) a fitting 25 suitably mounted upon antlfriction rollers or balls 26, engaged upon the annularly grooved plate 27, provided on the cross piece or bridge 28. At its op osite ends the cross piece 28 is bolted to brac ets as 30, which are preferably supported from the exhaust where they discharge walls 31 (Fig. 3) in any suitable rigid mark' i holding for rotation,

ner,'the said walls partitioning ed the compartment 32 from smoke-box, in order to protect the shaft 23 and associated parts from the products of combustion.

ln/ this manner the shaft 23 is supported the same also being journaled to hold it inoperative position in the adjustable bearing 33 secured to the cross piece or bridge 28, and in a bearing 34 formed in the head of the bracket 35, which is bolted asat 36 to the inner bottom of the smokelboX. rllhe fitting aswell as the supporting yanti-friction roillers or balls are incased by a housing 37 which is secured by screw bolts las 38 upon the top side of the plate 27, formed with the cross piece 26. Secured to the shaft 23 above the housing 37 is a disk 39 formed with an integral sleeve 40 which projects through a suitable opening or bearing provided in the bottom wall 42 `in the lower portion 16 of the stack, the same being designed a further means of the shaft 23 in position.

The shaft 23, whichmobviously, has as its purpose the rotation of fan 22, whereby to induce a strong lirough the passage 15, is adapted to beY rotated in two ways: first, by the action of blasts of steam on the other/rotor 21, and secondly, by means of a steam turbine 43, secured upon said shaft above the Vbottom wall 42. rlhc live steam 'Ally -rly Pipe 48 mately, the passage 15,

for operating this turbine 43 issues from the nozzle 44 of the steam pipe 45, which enters the smoke-box preferably as at 46 (Fig. 2), and which is connected-on the outside of the smoke-box (Fig. l) to a steam pipe 47, which receives the steam from a main sup- Y from the boiler.

When, in' the event of building a'fire in theire-box, there is no steam or insuflicient steam in the boiler to operate the turbine, the exterior steam pipe 47 may be connected with a source of steam supply independent of the engine, so that the'turbine may be. operated as before to produce the desired draft for inducing a vlgorous fire quickly. wheel 49 mounted upon the shaft over the collar 50, suitably supported upon .the head of the bracket 35 (Figs. 2 and 3),

serves to regulate and steady the rotation of the said shaft 23, in the usual'way.

We now come to the apparatus for automatically opening and clos-ing, approxifor the control of the draft system. Bolted upon the outside of the boiler, as best shown in Fig. 7', is a plate 51 formeel with a pair of vertical brackets A 52 and 53. Supported by the bracket 52 is a tank 54, which receives its supply of steam through a pipe 55 from the main steam pipe 48. Supported by the bracket 53 is a cylinder 56 in connnunication through a pipe 57 with the tank 54. rranged centrally in this cylinder is a piston rod 58 fixedly carrying a piston 59, .nich is normally held 'the boiler.

incenso in close proximity to the exit end of pipe 57 by means of a spiral spring 61, coiled around the said piston rodand| engaged between the top side of said piston 59 and the top end of the cylinder 56. This spring 61 is made of such weight and resiliency as to vsuccessfully resist in an obvious manner is provided to provide condensation piston 59.

lrovided upon the top of the `cylinder 56 is a head 62 formed at one side with an oft.

set arm G3. .Threaded upon the upper end of the piston rod 58 and movable therewith is a sleeve 64 slidably fitted in an opening 65 provided in said head 62. Formed on the upper end of this sleeve is a cylindrical head 66 having a wide annular channel 67. Fast upon a rock shaft 68, supported for mouement in a bearing provided in the upper end of the arm 63, is a turning lever 69 formed with the forks 70, which terminate each in a. vertical disk snugly engaged in the said channel 67. ln this manner i arrange for the-turning of the rock shaft 58 in accord-- ance with the movement of the piston rod under the fluctuations of steam pressure.. above a predetermined degree. Upon the opposite end of the rock shaft 68 is secured a lever 71, provided with a plurality of eyes as 7 2 for the suitable pivotingas at 7 3 of the connectin rod 74, the forward end of which is pivote( at 7 5 (Fig. 1) to the .crank 76 of shaft 77, which extends through an appropriate opening in the smoke-box and then through the passageway 15 where itforms an axis for thc gate valve o1' damper 82. Also extending across the passageway 15 in parallelism to the shaft 77, is a shaft 83 carrying a like gate valve or damper 84. 4ill/'hen turned into alinement, these gate valves substantially close the passageway. As a means of operating the gate valve 84, in conjuncexterior of the smeke-bomprovides means 15 so as to which movements in turn are from the lll@ t exhaust steam meente for shutting oif the steam supply for the turbine 43. Another valve 88, incorporated in thel feed `pipe `55, serves to cut of the steam supply for the tank 54, when desired..

Having thus described my invention, what I claim is l 4 1. In combination with a steam locomotive including the boiler, smoke-box and stack thereof, an extension for said .stack with a closed bottom depending in said smoke-box, a draft passageway forming a communication between said smoke-box and saiddepending` stack extension, a cylinder pipe entering'said smokebox below said depending stack extension= branch connections extending from said exhaust pipe through said stack extension and discharging into said stack near its top end on opposite sides thereof, a rotatable shaft, a fan device carried thereby within `the stack extension near the opening thereinto of said draft passageway, a rotor carried thereby within the exhaust pipe and adapted to be operated by the blasts of steam passing therethrough, valve devices for closing the draft passageway, and apparatus dependent upon the'V fluctuation of the steamV pressure in the boiler above a pre-determined degree for controlling the operation of said valve devices.

2. In combinationv u with a steam locomot1ve mcludlng the boiler, smoke-box and stack thereof, a depending compartment indirect communication stack, a spark screened passageside the smoke-box in with the way formlng a communication between the vices arranged in smoke-box and said compartment, valve desaid passageway to control \the draft therethrough, Aa cylinder; exhaust steam ipe entering the smoke-box lb elovv- Said epending compartment, said Aexhaust pipe dividingl into branches which discharge into said stack on opposite sides thereof, a vertical shaft journaled for rotation upon anti-friction devices, the oppoof said shaft extending one linto said depending compartment and the other into said exhaust pipe below the branches of the same, a fan on the/end of said shaft within the depending compartment for producing a. dra-ft, a rotor on the end of said shaft within the exhaust pipe for operating said shaft, means independent of the rotor for operating said shaft, and apparatus dependent upon the Huctuation of the steam pressure in the boiler above a predetermined degree for controlling the operation of said valve devices. y

3. In a steam locomotive having a smokebox, and stack therefor, a depending compartment in the smoke-boxv in direct communication with the stack, va draft passageway forming/,a communication between the smoke-box and the compartment, an exhaust steam pipe entering the smoke-box below said compartment, branch connections leading from the exhaust pipe and discharg-l ing into the stack above the compartment,

la rotatable shaft having its opposite ends projecting one into the compartment and one in to the exhaust pipe, a fan carried by said shaft in said compartment, a rotor on said shaft in said exhaust pipe, said rotor being adapted to rotate said shaft under the action of the exhaust steam blasts, a fly wheel carried by said shaft between the compartment and exhaust pipe, a steam turbine carried by said shaft in the compartment, means for directing a flow of steam against said turbine to n accelerate the rotation of said shaft or to rotate the same when the exhaust steam acting on said rotor proves in-` sufficient, and automatic means for regu- JoHN BoN'rra. 

